公开(公告)号：US11363518B2

公开(公告)日：2022-06-14

申请号：US16707825

申请日：2019-12-09

Applicant: QUALCOMM Incorporated

Inventor： Abhishek Pramod Patil ,  George Cherian ,  Alfred Asterjadhi ,  Sandip Homchaudhuri ,  Maarten Menzo Wentink ,  Alireza Raissinia ,  Lochan Verma ,  Padmanabhan Venkataraman Karthic

IPC: H04W40/24 ,  H04W8/00 ,  H04W80/02 ,  H04W80/08 ,  H04W28/02 ,  H04W8/24

Abstract: This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for high efficiency (HE) beacons. HE supported access points (APs) and stations (STAs) may operate on resource deployments used for Wi-Fi technology and without support for legacy devices, also referred to as a greenfield deployment. An AP may identify updated capability information and transmit a HE physical layer convergence protocol (PLCP) protocol data unit (PPDU) including a beacon frame. A STA may receive, from the AP, the HE or EHT PPDU and identify an indication of change to a content or format of the beacon frame relative to a reference beacon frame. Based on the identified indication, the STA may then determine an updated content or format for the beacon frame and process the beacon frame or skip processing for one or more portions of the beacon frame.

公开(公告)号：US11350448B2

公开(公告)日：2022-05-31

申请号：US15183322

申请日：2016-06-15

Applicant: QUALCOMM Incorporated

Inventor： Alfred Asterjadhi ,  George Cherian ,  Simone Merlin ,  Gwendolyn Denise Barriac ,  Gang Ding ,  Yan Zhou

IPC: H04W72/12 ,  H04W74/08 ,  H04B7/0452

Abstract: Methods, systems, and devices are described for wireless communication at a station. The station identifies a first set of enhanced distributed channel access (EDCA) parameters for a first access category based at least in part on a first traffic type and a determination that a multiple user (MU) frame is to be transmitted, and contends to gain access for a transmission opportunity over a shared radio frequency spectrum band to communicate with a plurality of other stations in a MU mode. The contention is based at least in part on the first set of EDCA parameters.

公开(公告)号：US11349631B2

公开(公告)日：2022-05-31

申请号：US16361571

申请日：2019-03-22

Applicant: QUALCOMM Incorporated

Inventor： George Cherian ,  Alfred Asterjadhi ,  Simone Merlin ,  Abhishek Pramod Patil

IPC: H04L5/14 ,  H04L1/00 ,  H04W72/08 ,  H04W24/06 ,  H04W80/02

Abstract: Aspects of the present disclosure relate to receiving, at a first node and from a second node configured for full-duplex wireless communications, a signal indicating an interference floor for receiving signals at the second node, wherein the interference floor is based on interference caused by a transmitter of the second node, determining, by the first node and based at least in part on the interference floor, a modulation and coding scheme (MCS) for transmitting one or more signals to the second node, and transmitting, by the first node and based on the MCS, the one or more signals to the second node.

公开(公告)号：US11259285B2

公开(公告)日：2022-02-22

申请号：US16247538

申请日：2019-01-14

Applicant: QUALCOMM Incorporated

Inventor： Ravi Gidvani ,  Abhishek Pramod Patil ,  Alfred Asterjadhi ,  George Cherian

IPC: H04W72/04 ,  H04W76/11 ,  H04W48/16 ,  H04B7/0413 ,  H04W74/00 ,  H04W84/12

Abstract: This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer-readable media, for co-located Basic Service Sets (BSSs). A BSS refers to an access point (AP), wireless channel configuration, and associated stations (STAs). In one aspect, a wireless local area network (WLAN) apparatus may operate multiple virtual access points (VAPs) and multiple BSSs. The BSS may be considered co-located if they are implemented in the same physical device (such as a WLAN apparatus). Furthermore, the BSSs may be considered co-hosted if they share the same band and wireless channel, but independently signal different management frames. To aid STAs in learning about the co-located or co-hosted BSSs, the present disclosure provides techniques to advertise the co-located or co-hosted BSSs. Further improvements for co-hosted BSSs include the use of control frames that can aggregate information for more than one co-hosted BSS sharing a same wireless channel.

公开(公告)号：US11233608B2

公开(公告)日：2022-01-25

申请号：US16855885

申请日：2020-04-22

Applicant: QUALCOMM Incorporated

Inventor： Jialing Li Chen ,  Stephen Jay Shellhammer ,  Alfred Asterjadhi ,  Dung Ngoc Doan ,  Bin Tian ,  Youhan Kim

IPC: H04L1/18 ,  H04W28/04 ,  H04L5/00 ,  H04L1/00

Abstract: This disclosure provides systems, methods and apparatuses for data retransmissions in a wireless network. In some implementations, a wireless communication device may transmit a first data unit to a receiving device, may receive a first hybrid automatic repeat request (HARQ) feedback frame indicating that a portion of the first data unit was not successfully decoded by the receiving device, may retransmit the indicated portion of the first data unit to the receiving device in response to the first HARQ feedback frame, and may transmit a second data unit, different than the first data unit, to the receiving device concurrently with the retransmission of the indicated portion of the first data unit.

公开(公告)号：US20210298059A1

公开(公告)日：2021-09-23

申请号：US17338114

申请日：2021-06-03

Applicant: QUALCOMM Incorporated

Inventor： Abhishek Pramod Patil ,  Alfred Asterjadhi ,  George Cherian

IPC: H04W72/12 ,  H04W74/08 ,  H04W74/00

Abstract: Methods and apparatus for communicating in a wireless network. In one aspect, a first wireless communication device may generate a first frame that includes at least a first aggregated media access control protocol data unit (A-MPDU). The first A-MPDU may include one or more media access control protocol data units (MPDUs). The first wireless communication device may set a first recipient address (RA) field to a first value in a first MPDU, and set a first field in the first MPDU to a second value that represents an identifier of a second wireless communication device. In one aspect, the first wireless communication device may set a second field in the first MPDU to a third value that represents an identifier of a third wireless communication device. The wireless communication device may output the first frame for transmission to at least the second and third wireless communication devices.

公开(公告)号：US20210282007A1

公开(公告)日：2021-09-09

申请号：US17189895

申请日：2021-03-02

Applicant: QUALCOMM Incorporated

Inventor： Sai Yiu Duncan Ho ,  Jouni Kalevi Malinen ,  George Cherian ,  Alfred Asterjadhi ,  Abhishek Pramod Patil

IPC: H04W12/03 ,  H04W76/15 ,  H04W12/041 ,  H04W12/06 ,  H04W12/106

Abstract: This disclosure provides systems, methods, and apparatuses for wireless communication performed by a wireless communication device. An example wireless communication device includes an access point (AP) multi-link device (MLD). The AP MLD transmits a beacon frame to a wireless station (STA) MLD, the beacon frame including a plurality of AP medium access control (MAC) addresses of respective APs belonging to the AP MLD. The AP MLD receives an association request from the STA MLD, the association request including a plurality of STA MAC addresses of respective STAs belonging to the STA MLD. The AP MLD generates, during a handshake operation with the STA MLD, one or more encryption keys configured to encrypt communications between the AP MLD and the STA MLD. The AP MLD verifies the plurality of STA MAC addresses based at least in part on the one or more encryption keys.

公开(公告)号：US11057258B2

公开(公告)日：2021-07-06

申请号：US16459307

申请日：2019-07-01

Applicant: QUALCOMM Incorporated

Inventor： George Cherian ,  Alfred Asterjadhi ,  Abhishek Pramod Patil

IPC: H04W72/00 ,  H04L27/26 ,  H04L1/00 ,  H04W72/04

Abstract: Methods, systems, and devices for wireless communications are described. In some systems (e.g., Wi-Fi systems), two stations (STAs) may support communicating different information simultaneously via multiple links, channels, resource units, etc. Simultaneous communication may be enabled by a multi-band aggregation system, an enhanced preamble puncturing system, a multi-resource unit assignment system, a full duplex system, or some combination of these. A transmitting STA may transmit data to a receiving STA in a first set of resources while communicating different information with the STA in a second set of resources. The communicating may involve an additional transmission of data, control information, or management information, or receiving feedback from the receiving STA. In some examples, the data transmission may occur on a data channel, while the control information and feedback may occur on a control channel. The simultaneous communication may improve communication throughput while reducing feedback latency in the system.

公开(公告)号：US11051319B2

公开(公告)日：2021-06-29

申请号：US16559346

申请日：2019-09-03

Applicant: QUALCOMM Incorporated

Inventor： Alfred Asterjadhi ,  George Cherian ,  Abhishek Pramod Patil ,  Bin Tian

IPC: H04W72/12 ,  H04W28/02 ,  H04L5/00 ,  H04W74/02 ,  H04W72/04 ,  H04W72/10

Abstract: Techniques for implementing low latency communications in a wireless local area network are provided. A first wireless communication device may implement a low latency basic service set (BSS) that allows contention-based channel access over a portion of a bandwidth. The first wireless communication device may configure a primary channel and one or more secondary channels within an available bandwidth. Communications with one or more wireless communication devices that have data traffic associated with a quality of service (QoS) parameter may be provided over one or more of the secondary channels. A transmission from a second wireless communication device on the primary channel may be discarded by the first wireless communication device, or the first wireless communication device may take over channel access from the second wireless communication device if such a transmission overlaps with low latency transmissions on the one or more secondary channels.

公开(公告)号：US20210144778A1

公开(公告)日：2021-05-13

申请号：US17093411

申请日：2020-11-09

Applicant: QUALCOMM Incorporated

Inventor： George Cherian ,  Alfred Asterjadhi ,  Bin Tian ,  Stephen Jay Shellhammer

IPC: H04W74/08 ,  H04W48/06 ,  H04W12/06 ,  H04W4/90

Abstract: This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer-readable media, for priority access on a shared wireless channel. A priority station (STA), an access point (AP), or a network operator may activate a priority access service. The priority access service provides priority access to authorize priority STAs by allowing them to use more aggressive contention parameters for contention-based access of the wireless channel as compared to other STAs. In some implementations, non-priority STAs may be configured with weakened contention parameters to increase or ensure the likelihood that a priority STA will win contention for access to the wireless channel.